4128762778748 has 12 divisors (see below), whose sum is σ = 7261643079600. Its totient is φ = 2054007613152.

The previous prime is 4128762778643. The next prime is 4128762778757. The reversal of 4128762778748 is 8478772678214.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2593443161 + ... + 2593444752.

It is an arithmetic number, because the mean of its divisors is an integer number (605136923300).

Almost surely, 2^{4128762778748} is an apocalyptic number.

It is an amenable number.

4128762778748 is a deficient number, since it is larger than the sum of its proper divisors (3132880300852).

4128762778748 is a wasteful number, since it uses less digits than its factorization.

4128762778748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5186888116 (or 5186888114 counting only the distinct ones).

The product of its digits is 472055808, while the sum is 71.

The spelling of 4128762778748 in words is "four trillion, one hundred twenty-eight billion, seven hundred sixty-two million, seven hundred seventy-eight thousand, seven hundred forty-eight".